is there a way to get the surface area of the CUT area and surface of FILL area within an Isopach?
Surface Information Report
I would refer you to our TBC YouTube channel where you can find useful video explaining this feature quite a bit.
TBC - Volumetric Reports
TBC - Surface and Boundary Creation
Cut Fill Maps and Volume Reporting - Projected Surfaces
When you create a Cut Fill Map (which is basically the same thing as an Isopach and both will show the same properties) - the properties of the Cut Fill Map have the Area of Cut and Area of Fill as well as the Cut and Fill Volume defined. The areas presented are Plan Areas not Surface Areas though and it sounds like you want surface areas - is that correct?
In the worst case the above will give you the ratio of Cut area to Fill area which you can apply to the total surface area to get an approximation of Surface Areas of Cut or Fill. Bear in mind however that the surface area of an Isopach is not the same as the surface area of the original or final surfaces used in the computation so I am not sure how useful surface areas of an Isopach will really be to you. You could also apply the ratio to the surface area of either the Original or final surface model to get a split - the surface area of one of the two surfaces can be determined using the Surface Information Report. If you only want to know the specific areas then you could create a zero contour on the Cut Fill surface and then explode it to create a line that you can extend to make a closed boundry and then use that to bound that part of the surface to create just the Cut or just the Fill surface of the Isopach and then run the Surface Information report on that (in two parts to get the sub surface areas
If you want to know the surface areas of different regions of a specified surface, if you add polygon areas to the surface and then add surface textures to those areas, when you run the Surface Information Report it will report out all of the individual surface areas that are defined. The polygon areas need to be Linestrings that are part of the surface model and they need to have the Property Sharp and Texture Boundary in order to assign Surface Textures to them.
Yes Allan, I need 3D surface area. the point is, I am working on 70 miles forestry road, and I need to apply a one foot striping only where we have CUT. So I took the Finish surface of the corridor and crate a Cut-Fill map with the OG. attached a photo.
Will be so hard to crate a polygone around the CUT area (70 miles) and for me I need always to be ready for a revision or addendum from the designer to redo my Qtys. The best solution for me is if I an use a component inside the a corridor template to define the Qty. in this case I will have the Volume by changes and divide the thickness to have the area.
- You said I can get surface area of cut and fill from the properties of the Cut-Fill map. But I didn't find this info in my Cut-Fill surface properties. see picture attached.
Do you mean you strip in Cut or did you mean in Fill - if you have >1' Cut
then you would be stripping out anyway? or am i missing something here?
We have a stripping function in the Corridor Model that eg if you always
want to strip 1' of material then you use Corridor Strata and give it the
Original Ground as the Top Surface and then the first strata layer has to
be set to "Topsoil" and Unsuitable material in the MSI Manager. The
enclosed exercise describes the process if you are interested in how to do
On Thu, Jul 12, 2018 at 12:44 PM firstname.lastname@example.org <email@example.com>
Which version of BC-HCE are you running - in my version (v4.11) I have the properties of Cut Area and Fill Area listed in the properties of the Cut Fill Map and of the ISOPACH surface. I will share an image.
You can build Material Layers into the Corridor e.g. Cut Surface Area and Fill Surface Area, and then when you create instructions, you can assign the surface areas that you want to capture as "Cut Surface Area" as well as e.g. Finish Grade such that when you run the Corridor Earthworks Report the Surface Areas are reported in the Excel output. I do this all the time to get e.g. MSE Wall Areas in the Template. Maybe this can give you what you want.
I am concerned that using the Isopach to generate surface areas is not really what you want - the Isopach is a difference surface and will not give you the Cut Surface Area or the Fill Surface Area which I would assume should be on the Finished Surface or the Subgrade Adjusted Surface - you may have a different view and maybe it makes sense for what you are doing? The areas shown in the above Properties Pane are Plan Areas.
Let me know if the method of capturing it in the Model using the trick above helps you do what you are trying to achieve - if you want to discuss this let me know your cell phone number by email to firstname.lastname@example.org and I will call you to take a look at this with you
Also as an FYI - you may be interested in the BC-HCE Power Users Group Training on Aug 21 - 23 in Colorado (take a look at the BC-HCE Community Forum and the Upcoming Events for more details (or mail me and I can fill you in on the details)
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